Description
The Bell & Gossett 117632 Circuit Sentry Flo Setter II is a high-quality automatic flow-limiting valve designed for hydronic heating and cooling systems. Engineered to deliver precise, self-regulating flow control, the Flo Setter II eliminates the need for manual balancing by automatically maintaining a preset flow rate — regardless of fluctuating system pressure differentials. The 3/4″ NPT connection makes it a versatile fit for a wide range of residential and light commercial hydronic applications.
As a trusted Bell & Gossett product, the Circuit Sentry Flo Setter II upholds the brand’s legacy of hydronic system excellence, helping installers and engineers achieve balanced, energy-efficient operation across every circuit in a system.
Key Features
- Automatic flow-limiting design maintains preset flow rates without manual adjustment
- 3/4″ NPT connections for straightforward installation in standard hydronic piping
- Compensates for pressure differential variations to ensure consistent circuit performance
- Reduces commissioning time by eliminating the need for traditional manual balancing valves
- Compact, durable construction suitable for residential and light commercial hydronic systems
- Compatible with Bell & Gossett Circuit Sentry system components
Applications
- Hydronic heating and cooling distribution systems
- Fan coil unit circuits
- Radiant heating systems
- Chilled water and hot water terminal unit balancing
- Multi-zone hydronic systems requiring precise flow control
Product Specifications
- Brand: Bell & Gossett
- SKU / Part Number: 117632
- Series: Circuit Sentry Flo Setter II
- Connection Size: 3/4″ NPT
- Connection Type: NPT (National Pipe Thread)
- Application: Hydronic flow balancing and control







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